[22p-11F-1~15] 3.14 Silicon photonics and integrated photonics (formerly 3.15)

2:00 PM - 2:15 PM JST(5:00 AM - 5:15 AM UTC)

[22p-11F-3] Demonstration of high fidelity, wavelength insensitive Clements interferometers by wide waveguides

〇Shota Kita^1,2, Daniel Bedilu², Yuriko Maegami³, Morifumi Ohno³, Guangwei Cong³, Noritsugu Yamamoto³, Koji Yamada³, Akihiko Shinya^1,2, Masaya Notomi^1,2 (1.NTT NPC, 2.NTT BRL, 3.AIST)

Keywords:

high fidelity,wavelength insensitive,Clements interferometers

To scale up the size of the photonic circuits in the future, we need to design the components to achieve higher fidelity even when increasing the circuit size. We have fabricated and evaluated 10 x 10 Clements interferometers based on the previously designed wide waveguide Mach-Zehnder interferometer. We obtained an average fidelity of 0.985 (0.803 for the conventional one) and a loss of about 0.1 dB/interferometer for the broadband regime of 1500 - 1600 nm. This design is robust to temperature and wavelength fluctuations and is an effective structure for simplifying calibration for highly accurate wavelength multiplexing operations.